// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/smbfs/smbfs_mounter.h"
#include <string.h>
#include <memory>
#include <tuple>
#include <utility>
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/message_loop/message_pump_type.h"
#include "base/run_loop.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/bind.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/multiprocess_test.h"
#include "base/test/task_environment.h"
#include "base/threading/thread.h"
#include "chromeos/ash/components/disks/disk_mount_manager.h"
#include "chromeos/ash/components/disks/mock_disk_mount_manager.h"
#include "chromeos/components/mojo_bootstrap/pending_connection_manager.h"
#include "mojo/core/embedder/scoped_ipc_support.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/platform/platform_channel.h"
#include "mojo/public/cpp/system/invitation.h"
#include "mojo/public/cpp/system/platform_handle.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"
using testing::_;
using testing::StartsWith;
using testing::WithArgs;
namespace smbfs {
namespace {
constexpr char kMountUrlPrefix[] = "smbfs://";
constexpr char kSharePath[] = "smb://server/share";
constexpr char kMountDir[] = "bar";
constexpr base::FilePath::CharType kMountPath[] = FILE_PATH_LITERAL("/foo/bar");
constexpr int kChildInvitationFd = 42;
constexpr char kUsername[] = "username";
constexpr char kWorkgroup[] = "example.com";
constexpr char kPassword[] = "myverysecurepassword";
constexpr char kKerberosIdentity[] = "my-kerberos-identity";
constexpr char kAccountHash[] = "00112233445566778899aabb";
ash::disks::DiskMountManager::MountPoint MakeMountPointInfo(
const std::string& source_path,
const std::string& mount_path) {
return {source_path, mount_path, ash::MountType::kNetworkStorage};
}
class MockDelegate : public SmbFsHost::Delegate {
public:
MOCK_METHOD(void, OnDisconnected, (), (override));
MOCK_METHOD(void,
RequestCredentials,
(RequestCredentialsCallback),
(override));
};
class TestSmbFsBootstrapImpl : public mojom::SmbFsBootstrap {
public:
MOCK_METHOD(void,
MountShare,
(mojom::MountOptionsPtr,
mojo::PendingRemote<mojom::SmbFsDelegate>,
MountShareCallback),
(override));
};
class TestSmbFsImpl : public mojom::SmbFs {
public:
MOCK_METHOD(void,
RemoveSavedCredentials,
(RemoveSavedCredentialsCallback),
(override));
MOCK_METHOD(void,
DeleteRecursively,
(const base::FilePath&, DeleteRecursivelyCallback),
(override));
};
class TestSmbFsMounter : public SmbFsMounter {
public:
TestSmbFsMounter(const std::string& share_path,
const MountOptions& options,
SmbFsHost::Delegate* delegate,
const base::FilePath& mount_path,
ash::MountError mount_error,
mojo::Remote<mojom::SmbFsBootstrap> bootstrap)
: SmbFsMounter(share_path,
kMountDir,
options,
delegate,
&mock_disk_mount_manager_,
std::move(bootstrap)) {
EXPECT_CALL(mock_disk_mount_manager_, MountPath(StartsWith(kMountUrlPrefix),
_, kMountDir, _, _, _, _))
.WillOnce(WithArgs<0, 6>(
[mount_error, mount_path](
const std::string& source_path,
ash::disks::DiskMountManager::MountPathCallback callback) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(
std::move(callback), mount_error,
MakeMountPointInfo(source_path, mount_path.value())));
}));
if (mount_error == ash::MountError::kSuccess) {
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(mount_path.value(), _))
.WillOnce(base::test::RunOnceCallback<1>(ash::MountError::kSuccess));
} else {
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(mount_path.value(), _))
.Times(0);
}
}
private:
ash::disks::MockDiskMountManager mock_disk_mount_manager_;
};
class SmbFsMounterTest : public testing::Test {
public:
void PostMountEvent(
const std::string& source_path,
const std::string& mount_path,
ash::MountError mount_error,
ash::disks::DiskMountManager::MountPathCallback callback) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), mount_error,
MakeMountPointInfo(source_path, mount_path)));
}
protected:
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
MockDelegate mock_delegate_;
ash::disks::MockDiskMountManager mock_disk_mount_manager_;
};
TEST_F(SmbFsMounterTest, FilesystemMountTimeout) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kTimeout);
EXPECT_FALSE(host);
run_loop.Quit();
});
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<SmbFsMounter>(
kSharePath, kMountDir, SmbFsMounter::MountOptions(), &mock_delegate_,
&mock_disk_mount_manager_);
EXPECT_CALL(mock_disk_mount_manager_,
MountPath(StartsWith(kMountUrlPrefix), _, kMountDir, _, _, _, _))
.Times(1);
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(_, _)).Times(0);
base::TimeTicks start_time = task_environment_.NowTicks();
mounter->Mount(callback);
// TaskEnvironment will automatically advance mock time to the next posted
// task, which is the mount timeout in this case.
run_loop.Run();
EXPECT_GE(task_environment_.NowTicks() - start_time, base::Seconds(20));
}
TEST_F(SmbFsMounterTest, FilesystemMountFailure) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kUnknown);
EXPECT_FALSE(host);
run_loop.Quit();
});
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<SmbFsMounter>(
kSharePath, kMountDir, SmbFsMounter::MountOptions(), &mock_delegate_,
&mock_disk_mount_manager_);
EXPECT_CALL(mock_disk_mount_manager_,
MountPath(StartsWith(kMountUrlPrefix), _, kMountDir, _, _, _, _))
.WillOnce(WithArgs<0, 6>(
[this](const std::string& source_path,
ash::disks::DiskMountManager::MountPathCallback callback) {
PostMountEvent(source_path, kMountPath,
ash::MountError::kInternalError,
std::move(callback));
}));
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(_, _)).Times(0);
mounter->Mount(callback);
run_loop.Run();
}
TEST_F(SmbFsMounterTest, TimeoutAfterFilesystemMount) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kTimeout);
EXPECT_FALSE(host);
run_loop.Quit();
});
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<SmbFsMounter>(
kSharePath, kMountDir, SmbFsMounter::MountOptions(), &mock_delegate_,
&mock_disk_mount_manager_);
EXPECT_CALL(mock_disk_mount_manager_,
MountPath(StartsWith(kMountUrlPrefix), _, kMountDir, _, _, _, _))
.WillOnce(WithArgs<0, 6>(
[this](const std::string& source_path,
ash::disks::DiskMountManager::MountPathCallback callback) {
PostMountEvent(source_path, kMountPath, ash::MountError::kSuccess,
std::move(callback));
}));
// Destructing SmbFsMounter on failure will cause the mount point to be
// unmounted.
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(kMountPath, _)).Times(1);
base::TimeTicks start_time = task_environment_.NowTicks();
mounter->Mount(callback);
// TaskEnvironment will automatically advance mock time to the next posted
// task, which is the mount timeout in this case.
run_loop.Run();
EXPECT_GE(task_environment_.NowTicks() - start_time, base::Seconds(20));
}
TEST_F(SmbFsMounterTest, FilesystemMountAfterDestruction) {
base::RunLoop run_loop;
auto callback = base::BindLambdaForTesting(
[](mojom::MountError mount_error, std::unique_ptr<SmbFsHost> host) {
FAIL() << "Callback should not be run";
});
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<SmbFsMounter>(
kSharePath, kMountDir, SmbFsMounter::MountOptions(), &mock_delegate_,
&mock_disk_mount_manager_);
EXPECT_CALL(mock_disk_mount_manager_,
MountPath(StartsWith(kMountUrlPrefix), _, kMountDir, _, _, _, _))
.WillOnce(WithArgs<0, 6>(
[this](const std::string& source_path,
ash::disks::DiskMountManager::MountPathCallback callback) {
// This posts a mount event to the task queue, which will not be run
// until |run_loop| is started.
PostMountEvent(source_path, kMountPath,
ash::MountError::kInternalError,
std::move(callback));
}));
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(_, _)).Times(0);
mounter->Mount(callback);
// Delete the mounter. Callback should not be run.
mounter.reset();
run_loop.RunUntilIdle();
}
TEST_F(SmbFsMounterTest, MountOptions) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kOk);
ASSERT_TRUE(host);
EXPECT_EQ(host->mount_path(), base::FilePath(kMountPath));
run_loop.Quit();
});
// Dummy Mojo bindings to satifsy lifetimes.
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
TestSmbFsImpl mock_smbfs;
mojo::Receiver<mojom::SmbFs> smbfs_receiver(&mock_smbfs);
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&delegate_remote, &smbfs_receiver](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
EXPECT_EQ(options->share_path, kSharePath);
EXPECT_EQ(options->username, kUsername);
EXPECT_EQ(options->workgroup, kWorkgroup);
ASSERT_TRUE(options->password);
EXPECT_EQ(options->password->length,
static_cast<int32_t>(strlen(kPassword)));
std::string password_buf(options->password->length, 'a');
base::ScopedFD fd =
mojo::UnwrapPlatformHandle(std::move(options->password->fd))
.TakeFD();
EXPECT_TRUE(base::ReadFromFD(fd.get(), password_buf));
EXPECT_EQ(password_buf, kPassword);
EXPECT_TRUE(options->allow_ntlm);
EXPECT_FALSE(options->skip_connect);
EXPECT_EQ(options->resolved_host, net::IPAddress(1, 2, 3, 4));
EXPECT_FALSE(options->credential_storage_options);
delegate_remote = std::move(delegate);
std::move(callback).Run(mojom::MountError::kOk,
smbfs_receiver.BindNewPipeAndPassRemote());
});
SmbFsMounter::MountOptions mount_options;
mount_options.username = kUsername;
mount_options.workgroup = kWorkgroup;
mount_options.password = kPassword;
mount_options.allow_ntlm = true;
mount_options.resolved_host = net::IPAddress(1, 2, 3, 4);
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<TestSmbFsMounter>(
kSharePath, mount_options, &mock_delegate_, base::FilePath(kMountPath),
ash::MountError::kSuccess,
mojo::Remote<mojom::SmbFsBootstrap>(
bootstrap_receiver.BindNewPipeAndPassRemote()));
mounter->Mount(callback);
run_loop.Run();
}
TEST_F(SmbFsMounterTest, MountOptions_SkipConnect) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kOk);
ASSERT_TRUE(host);
EXPECT_EQ(host->mount_path(), base::FilePath(kMountPath));
run_loop.Quit();
});
// Dummy Mojo bindings to satisfy lifetimes.
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
TestSmbFsImpl mock_smbfs;
mojo::Receiver<mojom::SmbFs> smbfs_receiver(&mock_smbfs);
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&delegate_remote, &smbfs_receiver](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
EXPECT_EQ(options->share_path, kSharePath);
EXPECT_TRUE(options->skip_connect);
delegate_remote = std::move(delegate);
std::move(callback).Run(mojom::MountError::kOk,
smbfs_receiver.BindNewPipeAndPassRemote());
});
SmbFsMounter::MountOptions mount_options;
mount_options.skip_connect = true;
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<TestSmbFsMounter>(
kSharePath, mount_options, &mock_delegate_, base::FilePath(kMountPath),
ash::MountError::kSuccess,
mojo::Remote<mojom::SmbFsBootstrap>(
bootstrap_receiver.BindNewPipeAndPassRemote()));
mounter->Mount(callback);
run_loop.Run();
}
TEST_F(SmbFsMounterTest, MountOptions_SavePassword) {
// Salt must be at least 16 bytes.
const std::vector<uint8_t> kSalt = {0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15};
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kOk);
ASSERT_TRUE(host);
EXPECT_EQ(host->mount_path(), base::FilePath(kMountPath));
run_loop.Quit();
});
// Dummy Mojo bindings to satisfy lifetimes.
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
TestSmbFsImpl mock_smbfs;
mojo::Receiver<mojom::SmbFs> smbfs_receiver(&mock_smbfs);
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&delegate_remote, &smbfs_receiver, kSalt](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
EXPECT_EQ(options->share_path, kSharePath);
ASSERT_TRUE(options->credential_storage_options);
EXPECT_EQ(options->credential_storage_options->account_hash,
kAccountHash);
EXPECT_EQ(options->credential_storage_options->salt, kSalt);
delegate_remote = std::move(delegate);
std::move(callback).Run(mojom::MountError::kOk,
smbfs_receiver.BindNewPipeAndPassRemote());
});
SmbFsMounter::MountOptions mount_options;
mount_options.save_restore_password = true;
mount_options.account_hash = kAccountHash;
mount_options.password_salt = kSalt;
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<TestSmbFsMounter>(
kSharePath, mount_options, &mock_delegate_, base::FilePath(kMountPath),
ash::MountError::kSuccess,
mojo::Remote<mojom::SmbFsBootstrap>(
bootstrap_receiver.BindNewPipeAndPassRemote()));
mounter->Mount(callback);
run_loop.Run();
}
TEST_F(SmbFsMounterTest, KerberosAuthentication) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kOk);
ASSERT_TRUE(host);
EXPECT_EQ(host->mount_path(), base::FilePath(kMountPath));
run_loop.Quit();
});
// Dummy Mojo bindings to satifsy lifetimes.
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
TestSmbFsImpl mock_smbfs;
mojo::Receiver<mojom::SmbFs> smbfs_receiver(&mock_smbfs);
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&delegate_remote, &smbfs_receiver](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
EXPECT_EQ(options->share_path, kSharePath);
EXPECT_EQ(options->username, kUsername);
EXPECT_EQ(options->workgroup, kWorkgroup);
EXPECT_FALSE(options->allow_ntlm);
EXPECT_FALSE(options->password);
ASSERT_TRUE(options->kerberos_config);
EXPECT_EQ(options->kerberos_config->source,
mojom::KerberosConfig::Source::kKerberos);
EXPECT_EQ(options->kerberos_config->identity, kKerberosIdentity);
delegate_remote = std::move(delegate);
std::move(callback).Run(mojom::MountError::kOk,
smbfs_receiver.BindNewPipeAndPassRemote());
});
SmbFsMounter::MountOptions mount_options;
mount_options.username = kUsername;
mount_options.workgroup = kWorkgroup;
// Even though the password is set, it should be ignored because kerberos
// authentication is being used.
mount_options.password = kPassword;
mount_options.kerberos_options =
std::make_optional<SmbFsMounter::KerberosOptions>(
SmbFsMounter::KerberosOptions::Source::kKerberos, kKerberosIdentity);
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<TestSmbFsMounter>(
kSharePath, mount_options, &mock_delegate_, base::FilePath(kMountPath),
ash::MountError::kSuccess,
mojo::Remote<mojom::SmbFsBootstrap>(
bootstrap_receiver.BindNewPipeAndPassRemote()));
mounter->Mount(callback);
run_loop.Run();
}
TEST_F(SmbFsMounterTest, BootstrapMountError) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kAccessDenied);
EXPECT_FALSE(host);
run_loop.Quit();
});
// Dummy Mojo bindings to satifsy lifetimes.
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&delegate_remote](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
delegate_remote = std::move(delegate);
std::move(callback).Run(mojom::MountError::kAccessDenied, {});
});
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<TestSmbFsMounter>(
kSharePath, SmbFsMounter::MountOptions(), &mock_delegate_,
base::FilePath(kMountPath), ash::MountError::kSuccess,
mojo::Remote<mojom::SmbFsBootstrap>(
bootstrap_receiver.BindNewPipeAndPassRemote()));
mounter->Mount(callback);
run_loop.Run();
}
TEST_F(SmbFsMounterTest, BootstrapDisconnection) {
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kUnknown);
EXPECT_FALSE(host);
run_loop.Quit();
});
// Dummy Mojo bindings to satifsy lifetimes.
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&bootstrap_receiver](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
// Reset the bootstrap binding, which should cause a disconnect event.
bootstrap_receiver.reset();
std::move(callback).Run(mojom::MountError::kAccessDenied, {});
});
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<TestSmbFsMounter>(
kSharePath, SmbFsMounter::MountOptions(), &mock_delegate_,
base::FilePath(kMountPath), ash::MountError::kSuccess,
mojo::Remote<mojom::SmbFsBootstrap>(
bootstrap_receiver.BindNewPipeAndPassRemote()));
mounter->Mount(callback);
run_loop.Run();
}
class SmbFsMounterE2eTest : public testing::Test {
public:
void PostMountEvent(
const std::string& source_path,
const std::string& mount_path,
ash::disks::DiskMountManager::MountPathCallback callback) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback), ash::MountError::kSuccess,
MakeMountPointInfo(source_path, mount_path)));
}
void SetUp() override {
testing::Test::SetUp();
ASSERT_TRUE(ipc_thread.StartWithOptions(
base::Thread::Options(base::MessagePumpType::IO, 0)));
ipc_support_ = std::make_unique<mojo::core::ScopedIPCSupport>(
ipc_thread.task_runner(),
mojo::core::ScopedIPCSupport::ShutdownPolicy::CLEAN);
}
protected:
// This test performs actual IPC using sockets, and therefore cannot use
// MOCK_TIME, which automatically advances time when the main loop is idle.
base::test::TaskEnvironment task_environment_;
MockDelegate mock_delegate_;
ash::disks::MockDiskMountManager mock_disk_mount_manager_;
private:
base::Thread ipc_thread{"IPC thread"};
std::unique_ptr<mojo::core::ScopedIPCSupport> ipc_support_;
};
// Child process that emulates the behaviour of smbfs.
MULTIPROCESS_TEST_MAIN(SmbFsMain) {
base::test::TaskEnvironment task_environment(
base::test::TaskEnvironment::MainThreadType::IO,
base::test::TaskEnvironment::ThreadPoolExecutionMode::QUEUED);
mojo::core::ScopedIPCSupport ipc_support(
task_environment.GetMainThreadTaskRunner(),
mojo::core::ScopedIPCSupport::ShutdownPolicy::CLEAN);
mojo::IncomingInvitation invitation =
mojo::IncomingInvitation::Accept(mojo::PlatformChannelEndpoint(
mojo::PlatformHandle(base::ScopedFD(kChildInvitationFd))));
TestSmbFsImpl mock_smbfs;
mojo::Receiver<mojom::SmbFs> smbfs_receiver(&mock_smbfs);
TestSmbFsBootstrapImpl mock_bootstrap;
mojo::Receiver<mojom::SmbFsBootstrap> bootstrap_receiver(&mock_bootstrap);
mojo::PendingRemote<mojom::SmbFsDelegate> delegate_remote;
base::RunLoop run_loop;
EXPECT_CALL(mock_bootstrap, MountShare(_, _, _))
.WillOnce([&smbfs_receiver, &run_loop, &delegate_remote](
mojom::MountOptionsPtr options,
mojo::PendingRemote<mojom::SmbFsDelegate> delegate,
mojom::SmbFsBootstrap::MountShareCallback callback) {
EXPECT_EQ(options->share_path, kSharePath);
EXPECT_EQ(options->username, kUsername);
EXPECT_EQ(options->workgroup, kWorkgroup);
ASSERT_TRUE(options->password);
EXPECT_EQ(options->password->length,
static_cast<int32_t>(strlen(kPassword)));
std::string password_buf(options->password->length, 'a');
base::ScopedFD fd =
mojo::UnwrapPlatformHandle(std::move(options->password->fd))
.TakeFD();
EXPECT_TRUE(base::ReadFromFD(fd.get(), password_buf));
EXPECT_EQ(password_buf, kPassword);
EXPECT_FALSE(options->allow_ntlm);
delegate_remote = std::move(delegate);
mojo::PendingRemote<mojom::SmbFs> smbfs =
smbfs_receiver.BindNewPipeAndPassRemote();
// When the SmbFsHost in the parent is destroyed, this message pipe will
// be closed and treat that as a signal to shut down.
smbfs_receiver.set_disconnect_handler(run_loop.QuitClosure());
std::move(callback).Run(mojom::MountError::kOk, std::move(smbfs));
});
bootstrap_receiver.Bind(mojo::PendingReceiver<mojom::SmbFsBootstrap>(
invitation.ExtractMessagePipe(mojom::kBootstrapPipeName)));
run_loop.Run();
return 0;
}
TEST_F(SmbFsMounterE2eTest, MountSuccess) {
mojo::PlatformChannel channel;
base::LaunchOptions launch_options;
base::ScopedFD child_fd =
channel.TakeRemoteEndpoint().TakePlatformHandle().TakeFD();
launch_options.fds_to_remap.push_back(
std::make_pair(child_fd.get(), kChildInvitationFd));
base::Process child_process = base::SpawnMultiProcessTestChild(
"SmbFsMain", base::GetMultiProcessTestChildBaseCommandLine(),
launch_options);
ASSERT_TRUE(child_process.IsValid());
// The child FD has been passed to the child process at this point.
std::ignore = child_fd.release();
EXPECT_CALL(mock_disk_mount_manager_,
MountPath(StartsWith(kMountUrlPrefix), _, kMountDir, _, _, _, _))
.WillOnce(WithArgs<0,
6>([this, &channel](
const std::string& source_path,
ash::disks::DiskMountManager::MountPathCallback
callback) {
// Emulates cros-disks mount success.
PostMountEvent(source_path, kMountPath, std::move(callback));
// Emulates smbfs connecting to the org.chromium.SmbFs D-Bus service and
// providing a Mojo connection endpoint.
const std::string token =
source_path.substr(sizeof(kMountUrlPrefix) - 1);
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindLambdaForTesting([token, &channel]() {
mojo_bootstrap::PendingConnectionManager::Get().OpenIpcChannel(
token,
channel.TakeLocalEndpoint().TakePlatformHandle().TakeFD());
}));
}));
EXPECT_CALL(mock_disk_mount_manager_, UnmountPath(kMountPath, _))
.WillOnce(base::test::RunOnceCallback<1>(ash::MountError::kSuccess));
EXPECT_CALL(mock_delegate_, OnDisconnected()).Times(0);
base::RunLoop run_loop;
auto callback =
base::BindLambdaForTesting([&run_loop](mojom::MountError mount_error,
std::unique_ptr<SmbFsHost> host) {
EXPECT_EQ(mount_error, mojom::MountError::kOk);
EXPECT_TRUE(host);
// Don't capture |host|. Its destruction will close the Mojo message
// pipe and cause the child process to shut down gracefully.
run_loop.Quit();
});
SmbFsMounter::MountOptions mount_options;
mount_options.username = kUsername;
mount_options.workgroup = kWorkgroup;
mount_options.password = kPassword;
std::unique_ptr<SmbFsMounter> mounter = std::make_unique<SmbFsMounter>(
kSharePath, kMountDir, mount_options, &mock_delegate_,
&mock_disk_mount_manager_);
mounter->Mount(callback);
run_loop.Run();
EXPECT_TRUE(child_process.WaitForExit(nullptr));
}
} // namespace
} // namespace smbfs
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